Getting a service trace id

get_service_trace_id_example.py

from requests import post
import json

GET_TID_URI='https://XXXX/get_service_trace_id'
TID_SERVICE_NAME='my_service'
TID_SERVICE_VERSION='1.0' # Automate this in CI/CD and read it in
TID_SERVICE_INSTANCE='default' # Get from Google environment variables
# For example
# TID_SERVICE_INSTANCE=f'{request.headers["X-Appengine-Queuename"]}-{request.headers["X-Appengine-Taskname"]}'

headers = {'content-type': 'application/json'}

data = {
    'service': TID_SERVICE_NAME,
    'instance': TID_SERVICE_INSTANCE,
    'version': TID_SERVICE_VERSION,
    'metadata': json.dumps({'prev_tids': prev_tids}) # A list of previous tids
}

r = post(GET_TID_URI, data=json.dumps(data), headers=headers)

assert(r.status_code == 200)
tid = r.json().get('tid')